Calculate strain energy for the conformer pictured below, using strain energy increments from the table.Strain Energy for AlkanesInteraction / Compound kJ/mol4.05.811.03.811511026.026.240.5H: H eclipsingH: CH3 eclipsingCH3 CH3 eclipsinggauche butanecyclopropanecyclobutanecyclopentanecycloheptanecyclooctane(Calculate your answer to the nearest 0.1 energy unit, and be sure to specify units, kJ/mol or kcal/mol. The answer is case sensitive.)H₂Cball & stick VStrain energy =HCH3HCH3+ labelskcal/mol'Н1.01.42.60.927.526.36.26.39.7

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Calculate strain energy for the conformer pictured below, using strain energy increments from

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter7: Cycloalkanes

Section: Chapter Questions

Problem 15E

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Concept explainers

Alkanes and Cycloalkanes

Alkanes are saturated organic compounds which are made up of C and H atoms. Alkanes have the general formula of CnH2n+2. Alkane contains sp3 hybridized carbon atoms with four sigmas (σ) bonds & every hydrogen atom is connected with one of the carbon atoms. The size of the alkane could be determined by the number of carbon atoms located in it.

Question

Calculate strain energy for the conformer pictured below, using strain energy increments from the table.
Strain Energy for Alkanes
Interaction / Compound kJ/mol
4.0
5.8
11.0
3.8
115
110
26.0
26.2
40.5
H: H eclipsing
H: CH3 eclipsing
CH3 CH3 eclipsing
gauche butane
cyclopropane
cyclobutane
cyclopentane
cycloheptane
cyclooctane
(Calculate your answer to the nearest 0.1 energy unit, and be sure to specify units, kJ/mol or kcal/mol. The answer is case sensitive.)
H₂C
ball & stick V
Strain energy =
H
CH3
H
CH3
+ labels
kcal/mol
'Н
1.0
1.4
2.6
0.9
27.5
26.3
6.2
6.3
9.7

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Calculate strain energy for the conformer pictured below, using strain energy increments from the table. Strain Energy for Alkanes Interaction / Compound kJ/mol keal/mol H:H eclipsing 4.0 1.0 H: CH3 eclipsing 5.8 1.4 CH3 : CH3 eclipsing 11.0 2.6 gauche butane 3.8 0.9 cyclopropane 115 27.5 cyclobutane 110 26.3 cyclopentane 26,0 6.2 cycloheptane 26.2 6.3 cyclooctane 40,5 9.7 (Calculate your answer to the nearest 0.1 energy unit, and be sure to specify units, kJ/mol or kcal/mol. The answer is case sensitive CH H. H. H. CH3
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